/Engine/Source/Runtime/OpenGLDrv/Public/OpenGLDrv.h
FIXME: Broken on Android for cubemaps.
virtual void RHICopyTexture ( [FRHITexture](API\Runtime\RHI\FRHITexture) * SourceTexture, [FRHITexture](API\Runtime\RHI\FRHITexture) * DestTexture, const [FRHICopyTextureInfo](API\Runtime\RHI\FRHICopyTextureInfo) & CopyInfo )